1. This product is for clean water. It is strictly forbidden to pump muddy water and corrosive water.

2. Determine the temperature of the well water to ensure that it does not exceed the temperature limit of the hot water pump.

3. Qualified power supply, cable and starting equipment (such as air switch and auto-decompression start-up box) must be used as required. The starting equipment should have short-circuit, phase-failure, overload and other protection functions. Under the normal operation of the submersible pump, The protective device should not be operated.

4. Installation and use the electric pump must be reliably grounded. It is forbidden to push the electric brake with wet hand or foot. Before installing and repairing the submersible pump, the power must be cut off. The place where the submersible pump is used should be set with the obvious signboard to prevent electric shock.

5. Before put the submersible pump int the well, the inner cavity of the motor must be filled with distilled water or non-corrosive clean cold water. Tighten the water supply bolts and drain bolts. When the electric pump is tested on the ground, it must be filled with water to lubricate the rubber bearings in the pump cavity. Seconds, see whether the steering is the same as the steering indication. Pay attention to safety when the electric pump is upright to prevent tipping and injury.

6. Strictly use the submersible pump in rated head and rated flow range. If make the head lower and make the flow higher. or high head with big axial force, the thrust bearing and other parts will be sharply worn, and the motor will be overloaded and burned.

7. After the submersible pump put into the deep well, the insulation resistance of the motor to ground should be not less than 100 megohms. After starting, it is necessary to observe the voltage and current regularly, check the insulation of the motor winding, confirm whether they meet the requirements.

8. Under the premise of ensuring technical performance, the specific specification data such as the number of submersible pumps may be changed due to technical improvements. Without prior notice, please refer to the electric pump nameplate data

9. When the submersible pump is stored, the motor memory water should be drained to prevent the motor from freezing in winter.